Home / 159,548.02-220,173.56-87,926.50

Finding the Fourth Proportional to 159,548.02, 220,173.56 and 87,926.50

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Solution

The fourth proportional to 159,548.02, 220,173.56 and 87,926.50 is: 121,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,548.02 : 220,173.56 = 87,926.50 : x
  2. Step 2: Convert to fraction form
    159,548.02/220,173.56 = 87,926.50/x
  3. Step 3: Cross multiply
    159,548.02x = 220,173.56 × 87,926.50
  4. Step 4: Simplify right side
    159,548.02x = 19,359,090,523.34
  5. Step 5: Solve for x
    x = 19,359,090,523.34/159,548.02
  6. Step 6: Final answer
    x = 121,337.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.